AutoCodes – Lincoln – P242B Lincoln

P242B Lincoln Code - Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3

Quick Answer

The Powertrain Control Module (PCM) continuously monitors the Exhaust Gas Temperature Sensor (EGTS) for proper circuit continuity and out of range high values. Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 1 Sensor 3, Exhaust Gas Temperature Sensor Bank 1 Sensor 3 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 1 Sensor 3 circuit poor electrical connection. Severity is High - diagnose this code as soon as possible. Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.

What it means
P242B Lincoln indicates Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3.
Common causes
Common causes include Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 1 Sensor 3, Exhaust Gas Temperature Sensor Bank 1 Sensor 3 harness is open or shorted, Exhaust Gas Temperature Sensor Bank 1 Sensor 3 circuit poor electrical connection.
Severity
High - diagnose this code as soon as possible.
Can I drive?
Driving is not recommended if the warning light is flashing, the engine runs poorly, or safety-related symptoms are present.
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Code Popularity 1,315
How popular is this code, among other codes? Low
Table of contents Created and updated by William Orellana on Jan 15, 2019
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Code P242B Lincoln Description

The Powertrain Control Module (PCM) continuously monitors the Exhaust Gas Temperature Sensor (EGTS) for proper circuit continuity and out of range high values. The EGTS is located in front of the Diesel Oxidation Catalyst (DOC) and/or in front of the Diesel Particulate Filter (DPF). The EGTS detects exhaust gas temperature and converts it into a voltage and feeds back to the PCM with the voltage signal in order to control engine conditions to effectively reduce emissions. The PCM sets the P242B OBDII code when the Exhaust Gas Temperature Sensor is out of factory specifications.
OBDII Code P242B Lincoln - Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3 - AutoCodes.com
P242B Lincoln Code - Exhaust Gas Temperature Sensor Circuit Range/Performance Bank 1 Sensor 3

What are the Possible Causes of the DTC P242B Lincoln?

  • Faulty Exhaust Gas Temperature Sensor (EGTS) Bank 1 Sensor 3
  • Exhaust Gas Temperature Sensor Bank 1 Sensor 3 harness is open or shorted
  • Exhaust Gas Temperature Sensor Bank 1 Sensor 3 circuit poor electrical connection
  • Exhaust leaks
  • Excessive particulate matter buildup on sensor

How to Fix the DTC P242B Lincoln?

Review the 'Possible Causes' above and visually examine the corresponding wiring harness and connectors. Check for damaged components and inspect connector pins for signs of being broken, bent, pushed out, or corroded.

What is the Cost to Diagnose the Code?

Labor: 1.0

To diagnose the P242B Lincoln code, it typically requires 1.0 hour of labor. Rates vary by location, vehicle, and shop. Many shops charge between $80–$150 per hour; dealerships and metro areas may be higher, independents may be lower.

Need more information about the P242B Lincoln code?

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About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about P242B Lincoln Code

1. What are the common symptoms of OBDII code P242B in a Lincoln related to the Exhaust Gas Temperature Sensor Circuit?

- Common symptoms include poor engine performance, decreased fuel efficiency, and the illumination of the check engine light.

2. What could be causing the OBDII code P242B in a Lincoln vehicle?

- The code P242B typically indicates an issue with the Exhaust Gas Temperature Sensor Circuit, such as a faulty sensor, damaged wiring, or a poor connection.

3. How can I diagnose the cause of OBDII code P242B in my Lincoln?

- Diagnosing this code usually involves inspecting the exhaust gas temperature sensor, checking the wiring for any damage, and verifying the sensor's readings using a scan tool.

4. Is it safe to continue driving with OBDII code P242B in my Lincoln?

- It is generally not recommended to continue driving with this code as it can lead to further damage to the vehicle's exhaust system and may result in decreased engine performance.

5. Can I repair OBDII code P242B in my Lincoln myself?

- Depending on your mechanical skills and access to tools, you may be able to repair this code yourself by replacing the faulty exhaust gas temperature sensor or repairing any damaged wiring.

6. How much does it usually cost to repair OBDII code P242B in a Lincoln at a mechanic?

- The cost of repairing this code can vary depending on the exact cause of the issue, but it may range from $200 to $500 at a mechanic, including parts and labor.

7. Are there any maintenance tips to prevent OBDII code P242B from occurring in my Lincoln?

- Regularly inspecting the exhaust system, performing routine maintenance on the vehicle, and addressing any engine performance issues promptly can help prevent this code from occurring.

8. Can OBDII code P242B in a Lincoln be triggered by other underlying issues?

- While the code is primarily related to the Exhaust Gas Temperature Sensor Circuit, it is possible for other underlying issues such as exhaust leaks or engine misfires to trigger this code as well.

9. How urgent is it to address OBDII code P242B in my Lincoln once it appears?

- It is advisable to address this code as soon as possible to prevent any further damage to the vehicle and to ensure optimal engine performance and fuel efficiency.

10. Will resetting the OBDII code P242B in my Lincoln make it go away permanently?

- Resetting the code may temporarily turn off the check engine light, but if the underlying issue is not addressed, the code is likely to reappear.

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